Christian Wulff-Nilsen

Christian Wulff-Nilsen

Associate Professor, Guest Researcher


  1. 2023
  2. Published

    Almost Optimal Exact Distance Oracles for Planar Graphs

    Charalampopoulos, P., Gawrychowski, P., Long, Y., Mozes, S., Pettie, S., Weimann, O. & Wulff-Nilsen, Christian, 2023, In: Journal of the ACM. 70, 2, 50 p., 12.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Decremental Strongly Connected Components and Single-Source Reachability in Near-Linear Time

    Bernstein, A., Gutenberg, M. P. & Wulff-Nilsen, Christian, 2023, In: SIAM Journal on Computing. 52, 2, p. 128-155

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Fully Dynamic Exact Edge Connectivity in Sublinear Time

    Goranci, G., Henzinger, M., Nanongkai, D., Saranurak, T., Thorup, Mikkel & Wulff-Nilsen, Christian, 2023, Proceedings of the 2023 Annual ACM-SIAM Symposium on Discrete Algorithms (SODA). Bansal, N. & Nagarajan, V. (eds.). Society for Industrial and Applied Mathematics, p. 70-86

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  5. 2022
  6. Published

    Constructing light spanners deterministically in near-linear time

    Alstrup, Stephen, Dahlgaard, S., Filtser, A., Stöckel, M. & Wulff-Nilsen, Christian, 12 Mar 2022, In: Theoretical Computer Science. 907, p. 82-112

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    A Near-Optimal Offline Algorithm for Dynamic All-Pairs Shortest Paths in Planar Digraphs

    Das, D., Gutenberg, M. P. & Wulff-Nilsen, Christian, 2022, ACM-SIAM Symposium on Discrete Algorithms, SODA 2022. Association for Computing Machinery, Inc., p. 3482-3495

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  8. Published

    A Simple Algorithm for Multiple-Source Shortest Paths in Planar Digraphs

    Das, D., Kipouridis, Evangelos, Gutenberg, M. P. & Wulff-Nilsen, Christian, 2022, Proceedings, Symposium on Simplicity in Algorithms (SOSA). SIAM, p. 1-11

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  9. Published

    Negative-Weight Single-Source Shortest Paths in Near-linear Time

    Bernstein, A., Nanongkai, D. & Wulff-Nilsen, Christian, 2022, 2022 IEEE 63rd Annual Symposium on Foundations of Computer Science (FOCS). IEEE, p. 600-611 (Annual IEEE Symposium on Foundations of Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  10. Published

    Optimal Approximate Distance Oracle for Planar Graphs

    Le, H. & Wulff-Nilsen, Christian, 2022, p. 1-61.

    Research output: Contribution to conferencePaperResearch

  11. 2021
  12. Published

    Decremental APSP in unweighted digraphs versus an adaptive adversary

    Evald, J., Fredslund-Hansen, V., Gutenberg, M. P. & Wulff-Nilsen, Christian, 2021, 48th International Colloquium on Automata, Languages, and Programming, ICALP 2021. Bansal, N., Merelli, E. & Worrell, J. (eds.). Schloss Dagstuhl - Leibniz-Zentrum für Informatik, p. 1-20 64. (Leibniz International Proceedings in Informatics, LIPIcs, Vol. 198).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  13. Published

    Near-Optimal Distance Oracles for Vertex-Labeled Planar Graphs

    Evald, J., Fredslund-Hansen, V. & Wulff-Nilsen, Christian, 2021, 32nd International Symposium on Algorithms and Computation, ISAAC 2021. Ahn, H-K. & Sadakane, K. (eds.). Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, 14 p. 23. (Leibniz International Proceedings in Informatics, LIPIcs, Vol. 212).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  14. Published

    Truly Subquadratic Exact Distance Oracles with Constant Query Time for Planar Graphs

    Fredslund-Hansen, V., Mozes, S. & Wulff-Nilsen, Christian, 2021, 32nd International Symposium on Algorithms and Computation, ISAAC 2021. Ahn, H-K. & Sadakane, K. (eds.). Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, 12 p. 25. (Leibniz International Proceedings in Informatics, LIPIcs, Vol. 212).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  15. 2020
  16. Published

    Decremental SSSP in weighted digraphs: Faster and against an adaptive adversary

    Gutenberg, M. P. & Wulff-Nilsen, Christian, 2020, 31st Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2020. Chawla, S. (ed.). Association for Computing Machinery, p. 2542-2561

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  17. Published

    Deterministic algorithms for decremental approximate shortest paths: Faster and Simpler

    Gutenberg, M. P. & Wulff-Nilsen, Christian, 2020, 31st Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2020. Chawla, S. (ed.). Association for Computing Machinery, p. 2522-2541

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  18. Published

    Escaping an Infinitude of Lions

    Abrahamsen, Mikkel, Holm, Jacob, Rotenberg, E. & Wulff-Nilsen, Christian, 2020, In: The American Mathematical Monthly. 127, 10, p. 880-896

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Fully-dynamic all-pairs shortest paths: Improved worst-case time and space bounds

    Gutenberg, M. P. & Wulff-Nilsen, Christian, 2020, 31st Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2020. Chawla, S. (ed.). Association for Computing Machinery, p. 2562-2574

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  20. Published

    Near-optimal decremental sssp in dense weighted digraphs

    Bernstein, A., Gutenberg, M. P. & Wulff-Nilsen, Christian, 2020, Proceedings - 2020 IEEE 61st Annual Symposium on Foundations of Computer Science, FOCS 2020. IEEE, p. 1112-1122 9317923

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  21. 2019
  22. Published

    Constructing light spanners deterministically in near-linear time

    Alstrup, Stephen, Dahlgaard, S., Filtser, A., Stöckel, M. & Wulff-Nilsen, Christian, 2019, 27th Annual European Symposium on Algorithms, ESA 2019. Bender, M. A., Svensson, O. & Herman, G. (eds.). Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, 15 p. 4. (Leibniz International Proceedings in Informatics, LIPIcs, Vol. 144).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  23. Published

    Decremental strongly-connected components and single-source reachability in near-linear time

    Bernstein, A., Probst, M. & Wulff-Nilsen, Christian, 2019, STOC 2019 - Proceedings of the 51st Annual ACM SIGACT Symposium on Theory of Computing. Charikar, M. & Cohen, E. (eds.). Association for Computing Machinery, p. 365-376 12 p. (Proceedings of the Annual ACM Symposium on Theory of Computing).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  24. 2018
  25. Published

    Better tradeoffs for exact distance oracles in planar graphs

    Gawrychowski, P., Mozes, S., Weimann, O. & Wulff-Nilsen, Christian, 2018, Proceedings of the Twenty-Ninth Annual ACM-SIAM Symposium on Discrete Algorithms . Czumaj, A. (ed.). Society for Industrial and Applied Mathematics, p. 515-529

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  26. 2017
  27. Published

    Best laid plans of lions and men

    Abrahamsen, Mikkel, Holm, Jacob, Rotenberg, E. & Wulff-Nilsen, Christian, 2017, 33rd International Symposium on Computational Geometry (SoCG 2017). Aronov, B. & Katz, M. J. (eds.). Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 16 p. 6. (Leibniz International Proceedings in Informatics, Vol. 77).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  28. Published

    Dynamic Minimum Spanning Forest with Subpolynomial Worst-case Update Time

    Nanongkai, D., Saranurak, T. & Wulff-Nilsen, Christian, 2017, 2017 IEEE 58th Annual IEEE Symposium on Foundations of Computer Science (FOcS). IEEE, p. 950-961

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  29. Published

    Fast and Compact Exact Distance Oracle for Planar Grap

    Cohen-Addad, V. P., Dahlgaard, S. & Wulff-Nilsen, Christian, 2017, 2017 IEEE 58th Annual IEEE Symposium on Foundations of Computer Science (FOcS). IEEE, p. 962-973

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  30. Published

    Fully-dynamic minimum spanning forest with improved worst-case update time

    Wulff-Nilsen, Christian, 2017, Proceedings of the 49th Annual ACM SIGACT Symposium on Theory of Computing. Association for Computing Machinery, p. 1130-1143 14 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  31. Published

    Minor-free graphs have light spanners

    Borradaile, G., Le, H. & Wulff-Nilsen, Christian, 2017, 2017 IEEE 58th Annual Symposium on Foundations of Computer Science (FOCS). IEEE, p. 767-778 12 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  32. Published

    Multiple-source multiple-sink maximum flow in directed planar graphs in near-linear time

    Borradaile, G., Klein, P. N., Mozes, S., Nussbaum, Y. & Wulff-Nilsen, Christian, 2017, In: SIAM Journal on Computing. 46, 4, p. 1280-1303 24 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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